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Posted to issues@arrow.apache.org by "skaae (via GitHub)" <gi...@apache.org> on 2026/07/23 09:29:37 UTC

[I] pq.write_table fails with OSError: Lz4 compression failure. [arrow]

skaae opened a new issue, #50613:
URL: https://github.com/apache/arrow/issues/50613

   ### Describe the bug, including details regarding any error messages, version, and platform.
   
   I encountered a table with where pq.write_table throws compression error:
   
   ```
   pq.write_table(table, "foo", compression='lz4')
   *** OSError: Lz4 compression failure.
   ```
   
   using compression='gzip' works. 
   
   The minimal table I was able to find contains 42 rows with a single columns of strings. Each string is 30-60 mb.
   The strings in the table are xml and can be compressed to ~100mb in total. 
   
   I can share the table, but would like to not do it publicly. 
   
   
   
   ### Component(s)
   
   Parquet


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Re: [I] [Parquet] pq.write_table fails with OSError: Lz4 compression failure. [arrow]

Posted by "thisisnic (via GitHub)" <gi...@apache.org>.
thisisnic commented on issue #50613:
URL: https://github.com/apache/arrow/issues/50613#issuecomment-6428784306

   Thanks for reporting this @skaae! Can conform this reproduced on 26.0.0.
   
   Did a brief Claude analysis, will post explanation below.
   
   > :robot: :


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